/* ============================================
   수능 등급 계산기 전용 스타일
   ============================================ */

/* 과목 탭 */
.subject-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.subject-tab {
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  border: 2px solid var(--glass-border, #E0DED6);
  background: transparent;
  color: var(--text-secondary, #64748b);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.subject-tab:hover {
  border-color: #D97757;
  color: #D97757;
}

.subject-tab.active {
  background: #D97757;
  border-color: #D97757;
  color: #fff;
}

/* 과목 패널 */
.subject-panel {
  display: none;
}

.subject-panel.active {
  display: block;
}

/* 과목 정보 바 */
.subject-info-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.subject-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 700;
}

.subject-badge.korean { background: #dbeafe; color: #1d4ed8; }
.subject-badge.math   { background: #dcfce7; color: #15803d; }
.subject-badge.english{ background: #fef9c3; color: #854d0e; }
.subject-badge.explore{ background: #fce7f3; color: #9d174d; }

html.dark .subject-badge.korean  { background: #1e3a5f; color: #93c5fd; }
html.dark .subject-badge.math    { background: #14532d; color: #86efac; }
html.dark .subject-badge.english { background: #3f2a00; color: #fde68a; }
html.dark .subject-badge.explore { background: #4a0028; color: #f9a8d4; }

.subject-range {
  color: var(--text-secondary, #64748b);
  font-size: 0.875rem;
}

/* 점수 입력 그룹 */
.score-input-group {
  margin-bottom: 1rem;
}

.score-input-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary, #1e293b);
}

html.dark .score-input-group label { color: #e2e8f0; }

.score-input-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 280px;
}

.score-input-wrap .form-input {
  flex: 1;
}

.input-suffix {
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  white-space: nowrap;
}

/* 결과 카드 */
.grade-display-card {
  background: var(--glass-bg, rgba(255,255,255,0.9));
  border: 1px solid var(--glass-border, #E0DED6);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  margin-top: 1.5rem;
}

.grade-badge-display {
  font-size: 5rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.grade-badge-display.grade-top    { color: #16a34a; }
.grade-badge-display.grade-good   { color: #2563eb; }
.grade-badge-display.grade-mid    { color: #d97706; }
.grade-badge-display.grade-low    { color: #dc2626; }

.grade-detail {
  font-size: 1rem;
  color: var(--text-secondary, #64748b);
  line-height: 1.6;
}

.grade-detail strong {
  color: var(--text-primary, #1e293b);
  font-weight: 700;
}

html.dark .grade-detail strong { color: #e2e8f0; }

/* 등급 구간표 */
.grade-tables-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.grade-table-card {
  background: var(--glass-bg, rgba(255,255,255,0.9));
  border: 1px solid var(--glass-border, #E0DED6);
  border-radius: 0.75rem;
  padding: 1rem;
}

.grade-table-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-relative {
  font-size: 0.75rem;
  font-weight: 600;
  background: #dbeafe;
  color: #1d4ed8;
  padding: 0.125rem 0.5rem;
  border-radius: 1rem;
}

.badge-absolute {
  font-size: 0.75rem;
  font-weight: 600;
  background: #fef9c3;
  color: #854d0e;
  padding: 0.125rem 0.5rem;
  border-radius: 1rem;
}

html.dark .badge-relative { background: #1e3a5f; color: #93c5fd; }
html.dark .badge-absolute { background: #3f2a00; color: #fde68a; }

/* 등급 셀 색상 */
.grade-cell { font-weight: 700; text-align: center; }
.grade-cell.g1 { color: #15803d; }
.grade-cell.g2 { color: #16a34a; }
.grade-cell.g3 { color: #2563eb; }
.grade-cell.g4 { color: #3b82f6; }
.grade-cell.g5 { color: #d97706; }
.grade-cell.g6 { color: #f59e0b; }
.grade-cell.g7 { color: #dc2626; }
.grade-cell.g8 { color: #b91c1c; }
.grade-cell.g9 { color: #7f1d1d; }

/* 강조된 행 (현재 점수 해당 등급) */
.grade-table-card tr.highlighted {
  background: rgba(217,119,87,0.12);
  outline: 2px solid #D97757;
  outline-offset: -2px;
}

/* 안내 카드 그리드 */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.guide-card {
  background: var(--glass-bg, rgba(255,255,255,0.9));
  border: 1px solid var(--glass-border, #E0DED6);
  border-radius: 0.75rem;
  padding: 1.25rem;
}

.guide-icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.guide-card h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary, #1e293b);
}

html.dark .guide-card h3 { color: #e2e8f0; }

.guide-card p {
  font-size: 0.875rem;
  color: var(--text-secondary, #64748b);
  line-height: 1.6;
}

/* 반응형 */
@media (max-width: 768px) {
  .grade-tables-wrap {
    grid-template-columns: 1fr;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .grade-badge-display {
    font-size: 3.5rem;
  }
}